• Open Access

Resonances in ν¯ee scattering below a TeV

Vedran Brdar, André de Gouvêa, Pedro A. N. Machado, and Ryan Plestid
Phys. Rev. D 105, 093004 – Published 16 May 2022

Abstract

We consider the resonant production and detection of charged mesons in existing and near-future neutrino scattering experiments with Eν1TeV, characteristic of high-energy atmospheric neutrinos or collider-sourced neutrino beams. The most promising candidate is the reaction ν¯eeρππ0. We discuss detection prospects at FASERν, the LHC’s forward physics facility with nuclear emulsion (FASERν2) and liquid argon detectors (FLArE), and we estimate the number of expected resonance-mediated events in the existing data set of IceCube. We also outline possible detection strategies for the different experimental environments. We predict dozens of events at the forward physics facility and identify cuts with order-one signal efficiency that could potentially suppress backgrounds at FASERν, yielding a signal-to-background ratio larger than 1. Antineutrino-induced s-channel meson resonances are yet unobserved Standard Model scattering processes which offer a realistic target for near-term experiments.

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  • Received 21 December 2021
  • Accepted 26 April 2022

DOI:https://doi.org/10.1103/PhysRevD.105.093004

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
  1. Physical Systems
Particles & Fields

Authors & Affiliations

Vedran Brdar1,2,*, André de Gouvêa1,†, Pedro A. N. Machado2,‡, and Ryan Plestid3,2,§

  • 1Northwestern University, Department of Physics and Astronomy, 2145 Sheridan Road, Evanston, Illinois 60208, USA
  • 2Theoretical Physics Department, Fermilab, P.O. Box 500, Batavia, Illinois 60510, USA
  • 3Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506, USA

  • *vedran.brdar@northwestern.edu
  • degouvea@northwestern.edu
  • pmachado@fnal.gov
  • §rpl225@g.uky.edu

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Vol. 105, Iss. 9 — 1 May 2022

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